After his wife went on a trip with a friend, Hiroshi enjoyed living alone for the first time in a while. There, Haruna, the older sister of the bride, came to visit. Anyway, the distance is close, and Hiroshi's heart is pounding when he is shown a deep cleavage and underwear that are too attractive. He escapes into the bath, but Haruna forcibly barges in, saying, "I'll wash your back." As it is, the rich breasts are pressed against her back.
